{"product_id":"shelly-pro-4pm-rele-inteligente-din-4-canales","title":"Shelly Pro 4PM: 4-channel DIN-rail smart relay with energy metering","description":"\u003ch2\u003eShelly Pro 4PM: four circuits switched and metered from your consumer unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eShelly Pro 4PM\u003c\/strong\u003e is a four-channel smart relay that mounts on the DIN rail next to the circuit breakers and meters the consumption of each circuit separately. Q-Tech sets it up on your network and completes the \u003cstrong\u003epre-commissioning check by an Expert Technician\u003c\/strong\u003e before your installation goes live.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003e4-channel DIN-rail smart relay with energy metering\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eShelly Pro 4PM, V2 version (SPSW-104PE16EU)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eLighting, heating and cooling, appliances and circuit cut-off\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCurrent\u003c\/th\u003e\u003ctd\u003e16 A per channel and 40 A in total\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnectivity\u003c\/th\u003e\u003ctd\u003eEthernet (RJ45), Wi-Fi and Bluetooth\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eGoogle, Alexa and Samsung SmartThings; MQTT and scripts\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003e110–240 V AC, 50 or 60 Hz\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eWarranty\u003c\/th\u003e\u003ctd\u003e5-year manufacturer warranty on the Shelly Pro series\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eSet-up and testing with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e or the \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the Shelly Pro 4PM?\u003c\/h3\u003e\n\u003cp\u003eThe Shelly Pro 4PM is a smart relay for consumer units that switches and \u003cstrong\u003emeters four 16 A circuits\u003c\/strong\u003e. It mounts on the DIN rail and is controlled over a network cable, Wi-Fi or Bluetooth, from the Shelly app or from a home automation system.\u003c\/p\u003e\n\u003ch3\u003eDisplay and on-device control\u003c\/h3\u003e\n\u003cp\u003eThe Shelly Pro 4PM has a colour display and three buttons on the front. From there you can switch each output on or off, check the network status and restart the device without a phone.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eIn a home or a small shop, lighting, the water heater, air conditioning or a pump usually depend on separate switches and fixed timers. Nobody knows which circuit uses most energy or can switch it off remotely if it is left on.\u003c\/p\u003e\n\u003cp\u003eChoosing a relay without metering means adding a separate meter later. A relay that relies on Wi-Fi alone can lose its connection inside a metal enclosure. The Shelly Pro 4PM solves both: it \u003cstrong\u003emeters each channel's consumption\u003c\/strong\u003e and accepts a network cable as well as Wi-Fi.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eChannels\u003c\/th\u003e\u003ctd\u003e4 relay outputs (O1 to O4) and 4 push-button or switch inputs (S1 to S4)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum current\u003c\/th\u003e\u003ctd\u003e16 A per channel and 40 A in total\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum switching voltage\u003c\/th\u003e\u003ctd\u003e240 V AC\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003e110–240 V AC, 50 or 60 Hz\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOwn consumption\u003c\/th\u003e\u003ctd\u003eLess than 4 W\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMetering\u003c\/th\u003e\u003ctd\u003eVoltage, current, power and energy per channel; internal temperature sensor\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eProtection\u003c\/th\u003e\u003ctd\u003eOverheating, overvoltage, overcurrent and overpower\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eEthernet\u003c\/th\u003e\u003ctd\u003e1 RJ45 connector\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eWi-Fi\u003c\/th\u003e\u003ctd\u003e802.11 b, g and n, up to 30 m indoors according to Shelly\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBluetooth\u003c\/th\u003e\u003ctd\u003e4.2, up to 10 m indoors according to Shelly\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFunctions\u003c\/th\u003e\u003ctd\u003e20 schedules, 20 webhooks, scripts and MQTT\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eDisplay\u003c\/th\u003e\u003ctd\u003eColour LCD with 3 buttons\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eDimensions (height × width × depth)\u003c\/th\u003e\u003ctd\u003e96 × 53 × 59 mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMounting\u003c\/th\u003e\u003ctd\u003eDIN rail\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eLoad terminals\u003c\/th\u003e\u003ctd\u003e1.5 to 6 mm², tightening torque 1.5 Nm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eInput and supply terminals\u003c\/th\u003e\u003ctd\u003e0.5 to 2.5 mm², tightening torque 0.4 Nm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOperating temperature\u003c\/th\u003e\u003ctd\u003e−20 to 40 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eHumidity\u003c\/th\u003e\u003ctd\u003e30 to 70% RH\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum altitude\u003c\/th\u003e\u003ctd\u003e2,000 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eColour\u003c\/th\u003e\u003ctd\u003eBlack\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eData according to Shelly (V2 datasheet and knowledge base).\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eResistive and capacitive loads; inductive loads (LED drivers, transformers, fans, air conditioning) with an RC snubber, according to Shelly.\u003c\/li\u003e\n\u003cli\u003eAC only: it neither switches nor runs on direct current.\u003c\/li\u003e\n\u003cli\u003eThe four channels together must not exceed 40 A.\u003c\/li\u003e\n\u003cli\u003eShelly states that the network cable must only be plugged in or unplugged with the device powered off.\u003c\/li\u003e\n\u003cli\u003eIndoor use, inside a consumer unit, from −20 to 40 °C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eProduct\u003c\/th\u003e\u003cth\u003eWhen to choose it\u003c\/th\u003e\u003cth\u003eChannels\u003c\/th\u003e\u003cth\u003eCurrent\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/shelly-pro-1pm-smart-din-relay-1-channel\"\u003eShelly Pro 1PM\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eA single circuit with energy metering\u003c\/td\u003e\u003ctd\u003e1\u003c\/td\u003e\u003ctd\u003e16 A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/shelly-pro-2pm-smart-din-relay-2-channel\"\u003eShelly Pro 2PM\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eTwo circuits or one motorised blind\u003c\/td\u003e\u003ctd\u003e2\u003c\/td\u003e\u003ctd\u003e16 A per channel, 25 A in total\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eRelay with potential-free contacts\u003c\/th\u003e\u003ctd\u003eControl signals for boilers, heat pumps or automation, without metering\u003c\/td\u003e\u003ctd\u003eDepends on model\u003c\/td\u003e\u003ctd\u003eDepends on model\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it meter each channel separately?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The Shelly Pro 4PM measures voltage, current, power and energy on each of its four channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work without an internet connection?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Shelly states that it works on the local network without cloud services; the cloud is only needed for remote control from the app.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the V1 and V2 versions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe V2 has five individual screw terminals for the loads and greater insulation distance at the network port, according to Shelly. Q-Tech sells the V2.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is not advisable. It mounts inside the consumer unit, and that work must be done by a licensed installation company; Q-Tech coordinates it with a partner installer and takes care of the set-up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Shelly Pro 4PM is in stock at our warehouse.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty does it have?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eShelly gives a \u003cstrong\u003e5-year warranty\u003c\/strong\u003e on its Pro series devices.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eQ-Tech leaves the Shelly Pro 4PM \u003cstrong\u003econfigured and tested on your network\u003c\/strong\u003e: channels, inputs, schedules and integration with your home automation system. For on-site fitting and set-up, book the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e; for questions or remote set-up, the \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e. Fitting inside the consumer unit is done by a licensed partner installation company, quoted separately.\u003c\/p\u003e\n\u003cp\u003eSee the full range in \u003ca href=\"\/en-en\/collections\/shelly-control-din-rail\"\u003eShelly Control for DIN rail\u003c\/a\u003e, our \u003ca href=\"\/en-en\/collections\/servicios-control-automatizacion\"\u003econtrol and automation services\u003c\/a\u003e, or message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e from our \u003ca href=\"\/en-en\/pages\/contacto\"\u003econtact page\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/shelly.com\/blogs\/documentation\/shelly-pro-4pm-v2\" target=\"_blank\" rel=\"noopener\"\u003eShelly Pro 4PM V2 datasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/kb.shelly.cloud\/__attachments\/a_87b608a7420e38912f9a515ad54d353a50cf01fd565de1d1c94d3d198df746a9\/Shelly%20Pro%204PM%20V2%20multilingual%20printed%20user%20and%20safety%20guide.pdf\" target=\"_blank\" rel=\"noopener\"\u003eShelly Pro 4PM V2 user and safety guide\u003c\/a\u003e (PDF, multilingual)\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/kb.shelly.cloud\/__attachments\/a_3c9ccd5542a58948b36231add0f08039200e147d3c5af4f04314137ab082f474\/Shelly%20Pro%204PM%20multilingual%20EU%20declaration%20of%20conformity%202025-07-21.pdf\" target=\"_blank\" rel=\"noopener\"\u003eEU declaration of conformity\u003c\/a\u003e (PDF, multilingual)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOfficial Shelly installation video. It shows the V1 version: the V2 has different load terminals and does not have its own video yet.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/2NEub_ylQMw\" title=\"Official Shelly Pro 4PM installation video (V1 version)\" width=\"560\" height=\"315\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e\n","brand":"Shelly","offers":[{"title":"Default Title","offer_id":59041914257752,"sku":"SHELLY-SPSW-104PE16EU","price":154.58,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/qtech-shelly-pro-4pm-main.png?v=1793826553","url":"https:\/\/q-tech.es\/en-en\/products\/shelly-pro-4pm-smart-din-relay-4-channel","provider":"Q-Tech ® ","version":"1.0","type":"link"}